Steam or hot-water heating apparatus



M0de'1') P. J. SWEENEY.

STEAM AND EOT WATER HEATING APPARATUS. No. 467,445.

Patented Jan. 19,1892.

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UNiTED STATES PATENT @Erica PATRICK J. SVEENEY, OF ALBANY, NEWT YORK. l

STEANIOR HOT-WATER HEATING APPARATUS.

SPECIFICATION forming part of Letters Patent No. 467,445, dated January 19, 1892.

Application filed May 21, 1891.

To all whom t may concern.-

Be it known that I, PATRICK J. SWEENEY, of- Albany, in the county of Albany, in the State of New York, have invented new and useful Improvements in Steam or Ilot-Vater Heating Apparatus, of which the following, taken in connection with the accompanying drawings, is a full,clear, and exact description.

Myiuvention relates to steam or hot-water heating apparatus which use both a direct and an indirect draft, as desired, and which are provided with a water-leg surrounding the lirepot and constituting the whole or part of the walls of the combustion-chamber.

My object is to produce a boiler in which the maximum of the heatin the fuel and products of combustion are utilized by means of a water-leg around the hre-pot and the combustion chamber and indirectdraft dues down through the water-leg, opening into a chamber between the shell of the boiler and the casing which incloses it, such boiler being provided with a chute for self-feeding of fuel into the re-pot and also with a feeddoor for hand-feeding.

My invention consists in the several novel features of construction and operation hereinafter described, and which are specifically setf orthin the claims hereunto annexed. It is constructed as follows, reference being had to the accompanying drawings, in which Figure l is a vertical transverse section of the heating apparatus complete. Fig. 2 is a plan view of the upper head of the boiler. Fig. 3 is a horizontal section on line o o, Fig. 1.

A is the boiler having an upper head a, a lower head b, a water-leg c, a fire-pot and combustion-chamber d, vertical smoke-fines e opening upward from the combustion-chamber and into the smoke-chamber f above the boiler, downward fines h from the chamber f through the upper boiler-head, the main waterchamber i therein, and the bottom lo of the water-leg, and opening outward into the flue m, which surrounds the boiler and is between it aud the casing n of` brick or sheet metal; and p is an inclined chute for self-feed of the fuel into the fire-pot, while r is the ordinary handfeed chute, both of which are closed by ordinary doors.

,The boiler is provided with a water-inlet pipe s opening into the water'leg, and an educ- Serial No. 393,563. (No model.)

tionpipe s opening outward from the top of the boiler and leading to the distributing system, while the pipe .s returns it therefrom to the boiler.

The boiler is supported upon the walls t, which also surrounds the ash-pit t', except the ordinary door for removal of ashes.

A horizontal partition w between the boiler and the casing separates the smoke-chamber f from the flue m, so that when the damper 0c is closed the direct shaft is shut off and the indirect draft carries the products of combustion from the chamber f down through the smoke-fines 71, into the flue on, and thence through the pipe y into the chimney. t will be seen that the diameters of the iiues 7L are greater than that of the ues e, and, in fact, the area of all the dues h is preferably equal to or greater than the area of all the fines e. By thus returning all of the products of oombustion through the boiler-body and thewaterleg also, and surrounding the boiler and its water-leg with the products of combustion, I utilize to the utmost all of the h eat generated from the fuel.

My boiler and water-leg are integral, and

the water-chambers in them constitute a single water-chamber, and the water surrounds the dues b for their whole length for hot water and two-thirds for steam, and is heated by the passage through them of the products of combustion, and after such passage said products surround and heat the whole outer surA face boiler-shell.

What I claim as my invention, and desire to secure by Letters Patent, is

1. A steam or hot-water apparatus consisting of a boiler formed integral with an upper head d, a lower head ZJ, a water-leg c, a bottom plate 7c, lire-box and combustion-chamber d, vertical upiiues e, of small diameter, located over said fire-box and combustion-chamber, and the vertical downiues 7t,of large diameter, arranged around the upiiues and extending straight through the water-leg, the horizontal chute r, the inlet-pipes s, the eduction-pipe s, the walls t, on which the boiler is supported, forming an ash-pit t', the casing n, having direct damper and indirect pipe y, and the horizontal partition w, located at the top of said boiler and dividing the space between the boiler and casing into the top smoke-chamber IOO f and into the vertical lnem, surrounding the the boiler is supported, forming an ash-pit t', 15 boiler and Supporting-walls, Substantial] y as the casing n, having direct damper and indidescribed. rect pipe y, and the horizontal partition w, lo-

2. A steam or hot-water apparatus consistcated at the top of said boiler and dividing- S ing of a boiler formed integral with an upper the space between the boiler and easing into head ma lower head b, aWater-leg c, a bottom the top smoke-chamber f and into the vertizo plate 7c, lire-box and combustion-chamber d, cal ine m, surrounding the boiler and supwertical upues e, of small diameter, located porting-walls, substantially as described.

over said lire-box and coinbuStien-chamber, In testimony whereof I have hereunto set 1o the Vertical downfines 7L, of large diameter, lnyhand this 18th day ot May, 1891.

arranged around the upflues and extending PATRICK J. SVEENEY. straight through the Water-leg, the inclined In presence ofchute p, the horizontal chute r, the inlet-pipe PATRICK EAGAN,

s, the eduction-pipe s', the Walls t, on Which JOHN F. LANG. 

